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Unit 4 Review
Chapter 10
1. What is the name for the theory of the origin of the universe?
A. evolution
B. relativity
C. Big Bang
D. plate tectonics
2. Which of the following are in the correct order of size, from smallest to largest?
A. nebula, star, planet, galaxy
B. galaxy, nebula, star, planet
C. star, nebula, galaxy, planet
D. planet, star, nebula, galaxy
3. Which of the following led Edwin Hubble to propose that the universe was expanding?
A. The galaxies rotated in the same direction.
B. All the galaxies were moving towards Earth.
C. All the galaxies were the same distance from Earth.
D. The light from galaxies was shifted to the red part of the spectrum.
4. What kind of galaxy is the Milky Way?
A. spiral
B. elliptical
C. irregular
D. spherical
5. What force holds the stars in a galaxy together in a group?
A. heat
B. tension
C. gravity
D. rotation
6. What is the name for the pattern that occurs when visible light is split into its component
parts: red, orange, yellow, green, blue, indigo, violet?
A. spectrum
B. white light
C. infrared
D. microwaves
7. What does it indicate if light from a galaxy is shifted to the blue part of the spectrum?
A. The galaxy is not moving.
B. The galaxy is moving away from Earth.
C. The galaxy is moving closer to Earth.
D. The galaxy is moving the same speed as Earth.
8. Which of the following is not a form of electromagnetic radiation?
A. light
B. sound
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BLM 4-11
continued
C. x-rays
D. infrared radiation
9. What is a star cluster?
A. the pattern stars form when viewed from Earth
B. a group of galaxies connected to each other
C. a large number of stars grouped together in a sphere pattern
D. the energy released by a single star
10. What device is used to separate the light from a star into its component parts?
A. a telescope
B. a periscope
C. a microscope
D. a spectroscope
Match the Term on the left with the best Descriptor on the right.
Each Descriptor may be used only once.
Term
Descriptor
_____ 11.spiral galaxy
A. contains some of the oldest stars
_____ 12.elliptical galaxy
_____ 13.irregular galaxy
B. collection of stars, gas, and dust held together by
gravity
_____ 14.galaxy
C. a cloud of gas and dust
_____ 15.nebula
D. objects that orbit a star
_____ 16.celestial bodies
E. has many long “arms” from a central core
F. natural objects visible in space
G. a mix of newly forming stars and old stars
17. How is an expanding balloon similar to an expanding universe?
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18. The early universe was an extremely hot place. Explain why it was necessary for the
universe to cool down before planets, like Earth, could form.
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continued
Chapter 11
1. What name do we give the dust and gas found throughout space?
A. galaxies
B. protoplanets
C. background radiation
D. interstellar matter
2. What is the nuclear reaction in the Sun that produces energy?
A. fusion
B. fission
C. X rays
D. gamma radiation
3. Why do astronomers call black holes “black”?
A. No light can escape their gravity.
B. Black is the colour of their surface.
C. They are so bright, nearby stars cannot be seen.
D. They can be seen only against the black background of space.
4. What are the dark areas of the Sun called?
A. coronas
B. sunspots
C. solar flares
D. prominences
5. What unit is described as the average distance between the Sun and Earth?
A. triangulation
B. light-years
C. eclipses
D. astronomical unit
6. Which of the following planets has water on its surface in three states—as a solid, a
liquid,
and a gas?
I.
II.
III.
IV.
A.
B.
C.
D.
Earth
Venus
Mercury
Jupiter
I only
I and II only
I, II, and III only
I, II, III, and IV
7. Which of the following planets has no moons?
A. Earth
B. Mars
C. Venus
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continued
D. Neptune
8. Which of the following is considered an inner, or terrestrial, planet?
A. Mars
B. Uranus
C. Saturn
D. Jupiter
9. Where is the asteroid belt found in the solar system?
A. between Mercury and the Sun
B. between Earth and Mars
C. between Mars and Jupiter
D. beyond the orbit of Neptune
Match the Stage of the Life of a High Mass Star on the left with the best Descriptor on
the right. Each Descriptor may be used only once.
Stage of the Life of a High
Mass Star
Descriptor
_____ 11.first
A. nebula
_____ 12.second
B. neutron star
_____ 13.third
C. protostar
_____ 14.fourth
D. star
_____ 15.fifth
E. supergiant
_____ 16.sixth
F. supernova
G. white dwarf
17. What is the difference between the rotation and the revolution of a planet?
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Chapter 12
1. What name do we give the longest and shortest days of the year in the Northern
Hemisphere?
A. eclipse
B. solstice
C. phases
D. equinox
2. How long does it take for the Moon to circle Earth once?
A. 1 day
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continued
B. 1 week
C. 1 month
D. 1 year
3. What caused the large, black, circular features visible on the surface of the Moon?
A. volcanoes
B. water floods
C. meteor impact
D. cave collapse
4. What is the name given to the tiny, rocky pieces of space material that burn up as they
enter Earth’s atmosphere?
A. comets
B. meteors
C. asteroids
D. sunspots
5. What is the darkest part of a shadow called?
A. umbra
B. penumbra
C. axis tilt
D. eclipse
6. What is the reason we have night and day on Earth?
A. The Sun revolves around Earth.
B. Earth revolves around the Sun.
C. Earth rotates on its axis.
D. Earth is tilted on its axis.
7. Which of the following is observed using an optical telescope?
A. radio waves
B. light waves
C. infrared waves
D. X rays
8. What does a rover sent to a distant moon do that a probe does not?
A. It flies over the surface.
B. It moves along the surface.
C. It sends information to Earth.
D. It brings back soil samples to Earth.
9. What is the name for the force that causes rockets to fly into space?
A. gravity
B. tension
C. thrust
D. free-fall
10. What is the source of most of the small pieces of space junk orbiting Earth?
A. dust from pollution
B. chunks of rocky debris from meteoroids
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continued
C. parts broken off spacecraft and satellites
D. particles from the solar wind
Match each Term on the left with the best Descriptor on the right.
Each Descriptor may be used only once.
Term
_____
_____
_____
_____
_____
_____
11.Galileo
12.lunar eclipse
13.solar eclipse
14.geocentric
15.heliocentric
16.Kepler
Descriptor
A.
B.
C.
D.
E.
F.
G.
Earth passes between Sun and Moon
Moon passes between Earth and Sun
Sun passes between Earth and Moon
planets revolve around the Sun
planets orbit in elliptical paths
confirmed Copernicus’s theory
heavens revolve around Earth
17. Explain why the Moon goes through phases.
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18. Describe how ancient people used the regular appearance of constellations in the night
sky.
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19. What are two advantage of using an optical telescope based in space rather than one
located on Earth?
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Copyright © 2007, McGraw-Hill Ryerson Limited, a subsidiary of the McGraw-Hill Companies. All rights reserved.
This page may be reproduced for classroom use by the purchaser of this book without the written permission of the publisher.